package org.gradle.plugin.management.internal;

import com.google.common.collect.Iterators;

import java.util.Iterator;

public class MergedPluginRequests implements PluginRequests {

    private final PluginRequests first;
    private final PluginRequests second;

    public MergedPluginRequests(PluginRequests first, PluginRequests second) {
        if (first.isEmpty() || second.isEmpty()) {

        if (isEmpty()) {
            return requests;
        } else if (requests.isEmpty()) {
            return this;
        } else {
            return new MergedPluginRequests(this, requests);
        }
    }

    static PluginRequests of(PluginRequestInternal request) {
        return new SingletonPluginRequests(request);
    }